The document discusses Moodle's building blocks for eAssessment tools. It describes various question behaviors, types, and display options that can be combined to create many different assessment activities. Specifically, it outlines interactive question behaviors with multiple tries and feedback options, as well as question types involving entering text, numbers, selections, and positioning of objects. The goal is to have a flexible system where these various blocks can be assembled to build a wide range of assessments, beyond just traditional quizzes.